Tieths to ieving h



OMPOSITIONSQ COATING OR PLASTIC.

UNITED STATES PATENT OFFICE.

SA LOB ION HEIMANN, OF NEW YORK,

TIETHS TO IRVING H. BROWVN,

N. Y., ASSIGNOR OF ELEVEN-TWEN- OF PLAINFIELD, NEW JERSEY.

NON-CONDUCTING COMPOSITION.

SPECIFICATION forming part of Letters Patent No. 393,644, dated November27, 1888.

AppIication filed November 3, 1887.

To all toll-07m it may concern:

Be it known that I, Sum-[N HEIMANN, of

is composed of cat as haltum lumba o 1 ilaster-of- )aris so u e ass amwa or an w 1c is compac e toge-ier y ea and ressure an prepare in e 0Owing manner and proportions: The peat is cut from the peat moor or hogand pressed, by means of a hydraulic or other press, so as to removefromeighty to eighty-five per cent. of the water contained therein. Thecompressed pieces are then dried eitherin the atmosphere or by suit-vable drying apparatus. The dried peat is then ground by suitablemachinery and screened until a fine meal is obtained. Sixty pounds ofthis cat-meal, twenty-five pounds of round as lrzfi'fimtwo and one-halfpofil's wmd lumba o are mixed 0 with each 0&61 1 11] d H1611 moistenedby adding a thin solution of five pounds of plaster- Serial 1101254213.(No sp'ecimen's.)

ofaris in a suificient quantity of water and of soluble "lass in water;This mass 18 rolled e me ing 0 e asp altum forming ahard homogeneousmass,whioh partakes of the characteristic of hard rubber, but containsno rubber and does not require vulcanization. The cells or otherarticles formed from the peat composition may be coated with arafilnethe result being a water and acld prooi composition which is a goodnon-conductor, and which can be applied to all articles and purposes forwhich hard rubber has been sed heretofore.

Having thus described my invention, I claim as new and desire to secureby Letters Patent invention Ihave signed my name in presence of twosubscribing witnesses.

SALOMON HEIM ANN.

Witnesses:

PAUL GoEPEL,

CARL KARP.

out I; belted rollers and then rcssed 5 a heated die and molds into therequlredshape, 35

A non-conducting composition composed of I

